FreeIntChainHandler (Windows Embedded CE 6.0)

1/5/2010

This function unloads an existing interrupt handler. This function is callable from kernel-mode drivers and user-mode drivers.

Syntax

BOOL FreeIntChainHandler(
  HANDLE hInstance
);

Parameters

• hInstance
  [in] Handle to the interrupt handler to uninstall.

Return Value

If the function succeeds, TRUE is returned; otherwise, FALSE is returned.

Remarks

When this function is called, the code associated with the interrupt handler is not unloaded. It remains in memory until the device is reset. If the LoadIntChainHandler function is called again for the same interrupt handler, the code in memory is used.

Requirements

See Also

Reference

Optional OAL Functions
LoadIntChainHandler
OAL Functions

Other Resources

Kernel Mode APIs
Developing a Device Driver
User Mode Driver Framework